Possible Clues:

• Playwright who wrote the song 'Mad Dogs and Englishmen'
• Chicken or fish (flipping uncooked inside!)
• Chicken or fish not cooked inside sent back
• Joker, perhaps, holds old whiskey and chicken
• Joke about conflict from one who'd always avoid it?
• Cry of pain stifled by eccentric dramatist
• Chicken company on crusade with head of department
• Get firm with legally incompetent person who lacks guts?
• Wimp takes care of hospital room
• Chicken and fish returned uncooked inside